Tae Ri had suddenly disappeared from the hospital while being treated. Su Ji and Shin Hyuk wander around looking for her...only to find her in an unexpected place...! Tae Ri confesses her pent-up emotions and makes an important decision. However that irreparably hurts Young Joo...!

The girls are planning a Christmas party, but to Ji Seul who constantly has to work part-time jobs, Christmas is the busiest time of the year. Ji Seul's Secret Santa has planned a surprise for her, but Ji Seul finds out and becomes furious